code: def test_get_uri(self):
      db_hook = self.db_hook()
      assert "druid://host:1000/druid/v2/sql" == db_hook.get_uri()
  
imports: from __future__ import annotations
  from unittest.mock import MagicMock, patch
  import pytest
  import requests
  from airflow.exceptions import AirflowException
  from airflow.providers.apache.druid.hooks.druid import DruidDbApiHook, DruidHook, IngestionType
label_desc: Use image node_id 3 for calling the TestDruidDbApiHook obj's underlying member method code with example usage: obj.test_get_uri() without return types